package com.mh.springboot;

import org.springframework.context.annotation.Conditional;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * 模拟实现条件注解，判断指定类是否存在
 */

@Target({ElementType.TYPE, ElementType.METHOD})
@Retention(RetentionPolicy.RUNTIME)
@Conditional(OnClassConditional.class)
public @interface MhConditionOnClass {
    String value();
}
